varmint vs varment

varmint and varment both are nouns.

Word	Noun	Adjective	Verb	Adverb
varmint	Yes	No	No	No
varment	Yes	No	No	No

As nouns, varmint and varment are synonyms defined as:

varmint and varment: any usually predatory wild animal considered undesirable; e.g., coyote

varmint (noun)	varment (noun)
any usually predatory wild animal considered undesirable; e.g., coyote	any usually predatory wild animal considered undesirable; e.g., coyote
an irritating or obnoxious person